73040821

素因数分解:

$7^4\times {\mathrm{29}}^1\times {\mathrm{1049}}^1$

素因数の和:1106

約数の個数: 20

約数和(自身を含む): 88231500

約数和(自身を除く): 15190679

約数列:

[1, 7, 29, 49, 203, 343, 1049, 1421, 2401, 7343, 9947, 30421, 51401, 69629, 212947, 359807, 1490629, 2518649, 10434403, 73040821]

約数ペア:

[(1, 73040821), (7, 10434403), (29, 2518649), (49, 1490629), (203, 359807), (343, 212947), (1049, 69629), (1421, 51401), (2401, 30421), (7343, 9947)]